# U3033 on the 2026 Ram 5500

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name U3033

- [11024610](https://open.wenmarpro.com/bulletins/11024610), 2025-10-29: 1. SGW DTC \- U3033\-00 and/or U3033\-01 Active or store and cannot clear. If the security gateway module has set the security module certificate missing or invalid DTC \(U3033\-00 or U3033\-01\), it is being set erroneously. This DTC does not have any customer related symptoms affecting a vehicles operation. No service repairs and or parts replacements should be attempted for this specific DTC, the DTC will always appear as active. SOL released for this DTC : S2508000014 2. SGW not responding to diagnostic and showing offline in CDA/witech. TSB release to address above concern. 08\-322\-25, 08\-323\-25, 08\-324\-25, 08\-325\-25, 08\-326\-25, 08\-327\-25, 08\-328\-25, 08\-329\-25
- [11024592](https://open.wenmarpro.com/bulletins/11024592), 2025-10-29: Security Gateway Module \(SGW\) Software Update Customers may experience one or more of the following: ● SGW module is not responding to diagnostics and showing offline. ● If message for FOTA apprears, then a manual flash is required for SGW update. ● Diagnostic Trouble Code \(DTC\) U3033 \- 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light \(MIL\).
- [11023595](https://open.wenmarpro.com/bulletins/11023595), 2025-10-02: Security Gateway Module \(SGW\) Software Update Customers may experience one or more of the following: ● SGW module is not responding to diagnostics and showing offline. ● If message for FOTA apprears, then a manual flash is required for SGW update. ● Diagnostic Trouble Code \(DTC\) U3033 \- 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light \(MIL\). This bulletin involves flashing the SGW to the latest software level in the case that the FOTA did not function.